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Finding the Fourth Proportional to 93,791.01, 129,443.92 and 53,495.54

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Solution

The fourth proportional to 93,791.01, 129,443.92 and 53,495.54 is: 73,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,791.01 : 129,443.92 = 53,495.54 : x
  2. Step 2: Convert to fraction form
    93,791.01/129,443.92 = 53,495.54/x
  3. Step 3: Cross multiply
    93,791.01x = 129,443.92 × 53,495.54
  4. Step 4: Simplify right side
    93,791.01x = 6,924,672,400.12
  5. Step 5: Solve for x
    x = 6,924,672,400.12/93,791.01
  6. Step 6: Final answer
    x = 73,830.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.